<template>
  <div style="height: 6vh;background-color:#fff;padding: 10px 20px;">
    <span style="line-height: 60px;font-size: 20px;">用户管理</span>
    <el-button type="primary" style="float: right; margin-top: 10px;"
    @click="beforeAddUser">新建用户</el-button>
  </div>
<!--  新建用户弹窗 -->
<!--  :before-close="handleClose" 在弹窗关闭之前先调用handleClose方法-->
  <el-dialog :title="dialogtitle"
             style="width: 1000px;padding: 40px;"
             v-model="dialogVisible"
             :before-close="handleClose"
  >
    <el-form label-position="top">
      <el-row :gutter="20">
        <el-col :span="12">
          <el-form-item label="用户名">
            <el-input placeholder="请输入用户名" v-model="saveUserForm.username" :disabled="saveUserForm.id!=null"></el-input>
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="手机号">
            <el-input placeholder="请输入手机号" v-model="saveUserForm.phone"></el-input>
          </el-form-item>
        </el-col>
      </el-row>
      <el-row :gutter="20">
        <el-col :span="12">
          <el-form-item label="邮箱">
            <el-input placeholder="请输入邮箱" v-model="saveUserForm.email"></el-input>
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="年龄">
            <el-input placeholder="请输入年龄" v-model="saveUserForm.age"></el-input>
          </el-form-item>
        </el-col>
      </el-row>
      <el-row :gutter="20">
        <el-col :span="6">
          <el-form-item label="职级">
            <el-select placeholder="请选择" v-model="saveUserForm.level" @change="loadLeader">
              <el-option v-for="(item,index) in levelOptions" :label="item.label" :value="item.value" :key="index"></el-option>
            </el-select>
          </el-form-item>
        </el-col>
        <el-col :span="6">
          <el-form-item label="直属领导">
            <el-select placeholder="请选择" v-model="saveUserForm.parentId">
              <el-option v-for="item in leaderOptions" :label="item.username" :value="item.id"></el-option>
            </el-select>
          </el-form-item>
        </el-col>
        <el-col :span="4">
          <el-form-item label="性别">
            <el-radio-group v-model="saveUserForm.gender">
              <el-radio border label="男" value="1" style="margin: 0;"></el-radio>
              <el-radio border label="女" value="0"></el-radio>
            </el-radio-group>
          </el-form-item>
        </el-col>
        <el-col :span="6">
          <el-form-item label="状态">
            <el-radio-group v-model="saveUserForm.status">
              <el-radio border label="启用" value="1" style="margin: 0;"></el-radio>
              <el-radio border label="禁用" value="0"></el-radio>
            </el-radio-group>
          </el-form-item>
        </el-col>
      </el-row>
    </el-form>
    <template #footer>
      <el-button @click="handleClose">取消</el-button>
      <el-button type="primary" @click="saveUser">保存</el-button>
    </template>
  </el-dialog>
<!--  用户搜索卡片-->
  <el-card style="margin: 20px; height: 70px;">
    <el-form :inline="true">
      <el-form-item label="用户搜索" style="width: 220px;">
        <el-input placeholder="请输入用户名" v-model="selectUserForm.username" @keydown.enter="loadUser"></el-input>
      </el-form-item>
      <el-form-item label="用户状态" style="width: 220px;">
        <el-select v-model="selectUserForm.status" @change="loadUser">
          <el-option label="启用" value="1"></el-option>
          <el-option label="禁用" value="0"></el-option>
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button @click="resetSelect">重置</el-button>
        <el-button type="primary" @click="loadUser">查询</el-button>
      </el-form-item>
    </el-form>
  </el-card>
<!--  用户表格卡片-->
  <el-card style="margin: 20px;">
    <el-table :data="userArr">
      <el-table-column type="index" label="编号" width="80" align="center"></el-table-column>
      <el-table-column prop="username" label="用户名" align="center"></el-table-column>
      <el-table-column prop="phone" label="手机号" align="center"></el-table-column>
      <el-table-column prop="createTime" label="加入时间" align="center"></el-table-column>
      <el-table-column prop="status" label="用户状态" align="center">
        <template #default="scope">
          <el-switch  active-value="1" inactive-value="0"
                      v-model="scope.row.status"
                      @change="changeStatus(scope.row.id,scope.row.status)">
          </el-switch>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center">
        <template #default="scope">
          <el-button type="primary" link :disabled="scope.row.level==40"
          @click="resetPassword(scope.row.id)">密码重置</el-button>
          <el-button type="primary" link :disabled="scope.row.level==40" @click="editUser(scope.row.id,scope.row)">编辑</el-button>
          <el-button type="primary" link :disabled="scope.row.level==40" @click="deleteUser(scope.row.id)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
  </el-card>
</template>

<script setup>
import {onMounted, ref} from "vue";
import axios from "axios";
import {ElMessage} from "element-plus";
import qs from "qs";
// 定义变量控制弹窗是否出现
const dialogVisible = ref(false);
// 定义变量控制弹窗标题
const dialogtitle = ref('');
// 定义数组用于维护员工职级别的选项
const levelOptions = ref([
  {
    label: "职员",
    value: '10'
  },
  {
    label: "经理",
    value: '20'
  },
  {
    label: "总监",
    value: '30'
  },
  {
    label: "总裁",
    value: '40'
  }
]);
const leaderOptions = ref([
]);
// 定义对象用于收集保存所有员工的数据，user
const saveUserForm = ref({
  username: '',
  email: '',
  phone: '',
  age: '',
  gender: '',
  level: '',
  parentId: '',
  status: ''
});
// 点击新建用户按钮，显示弹窗，修改标题
const beforeAddUser=()=>{
  dialogVisible.value=true;
  dialogtitle.value='新建用户';
  saveUserForm.value={};
};
// 定义保存用户的方法
const saveUser = () => {
  console.log(saveUserForm.value);
  // 使用qs框架将js对象转换成query字符串
  // query字符串: username=aa&email=bb&age=18
  let data =qs.stringify(saveUserForm.value);
  console.log(data);
  // 向后端发送post请求，保存用户信息
  // 此处将存入的参数是qs 转换后的查询字符串data
  axios.post(BASE_URL+'/v1/user/save',data)
      .then((respond)=>{
        if (respond.data.code==2000){
          ElMessage.success("保存成功！");
          // 关闭弹窗
          dialogVisible.value=false;
          // 重置表单数据
          saveUserForm.value={};
          // 保存成功后，数据更新了，重新加载数据 loadUser();
          loadUser();
        }else {
          ElMessage.error("保存失败！");
        }
      });
};
// 处理弹窗关闭的方法
const handleClose = () => {
  if (confirm("确定关闭弹窗吗？")){
  // 关闭弹窗
  dialogVisible.value=false;
  // 重置表单数据
  saveUserForm.value={};
  }
};
//
// 定义对象用于保存用户的查询条件
const selectUserForm = ref({
  username: '',
  status: ''
});
// 定义数组用于保存查询到的员工数据
const userArr = ref([]);
// 定义加载用户的方法
const loadUser =()=>{
  let data =qs.stringify(selectUserForm.value);
  // 如果有查询条件,就根据后面的拼接结果,没有条件默认加载所有用户的数组中
  // 向后端发送请求
  axios.get(BASE_URL+'/v1/user/select?'+data)
      .then((respond)=>{
        if (respond.data.code==2000){
          userArr.value=respond.data.data;
        }else {
          ElMessage.error(respond.data.msg);
        }
      })
};
// 定义重置搜索条件的方法
const resetSelect = () => {
  // 清空
  selectUserForm.value={
    username: '',
    status: ''
  };
  // 重新加载数据
  loadUser();
};
// 在页面加载时，向服务器发送请求，获取所有员工数据
onMounted(()=>{
  loadUser();
});
// 定义加载直属领导的方法
const loadLeader =()=>{
  // 优化：如果已经选择了直属领导数据，需要再次选择职级的话
  // 就需要将之前的数据清空
  leaderOptions.value=[];
  saveUserForm.value.parentId='';
  let level=parseInt(saveUserForm.value.level)+10;
  console.log(level);
  axios.get(BASE_URL+'/v1/user/select?level='+level)
      .then((respond)=>{
        if (respond.data.code==2000){
          leaderOptions.value=respond.data.data;
        }else {
          ElMessage.error(respond.data.msg);
        }
      })
};
const resetPassword=(userId)=>{
  // 弹出确认框，确认密码重置

  axios.post(BASE_URL+'/v1/user/update/password/'+userId)
      .then((respond)=>{
        if (respond.data.code==2000){
          ElMessage.success("密码重置成功！");
        }else {
          ElMessage.error(respond.data.msg);
        }
      })
};
// 定义编辑用户的方法
const editUser=(id,row)=>{
  dialogVisible.value=true;
  dialogtitle.value='编辑用户';
  //saveUserForm.value=row;
  // 从后端获取数据
  axios.get(BASE_URL+'/v1/user/select?id='+id).then((respond)=>{
    if (respond.data.code==2000){
      saveUserForm.value=respond.data.data[0];
      // 加载直属领导数据
      let level=parseInt(saveUserForm.value.level)+10;
      console.log(level);
      axios.get(BASE_URL+'/v1/user/select?level='+level)
          .then((respond)=>{
            if (respond.data.code==2000){
              leaderOptions.value=respond.data.data;
            }else {
              ElMessage.error(respond.data.msg);
            }
          });
    }else {
      ElMessage.error(respond.data.msg);
    }
  })
};
// 定义修改员工的状态的方法
const changeStatus=(userId,status)=>{
  axios.post(BASE_URL+'/v1/user/update/status/'+userId+'/'+status)
      .then(response=>{
        if (response.data.code==2000){
          ElMessage.success("修改状态成功！");
        }else {
          ElMessage.error(response.data.msg);
        }
      })
};
// 定义删除用户的方法
const deleteUser=(userId)=>{
  // 弹出确认框，确认删除
  if (confirm("确定删除该用户吗？")){
  axios.post(BASE_URL+'/v1/user/delete/'+userId)
      .then((response)=>{
        if (response.data.code==2000){
          ElMessage.success("删除用户成功！");
          // 加载数据
          loadUser();
        }else {
          ElMessage.error(response.data.msg);
        }
      });
  }
};
</script>

<style scoped>

</style>